2003
- Low Frequency Free Flooded Ring Transducer for
Gearing & Watson.
Neptune
has successfully completed the design and manufacture
of four broadband 500Hz Free Flooded Ring Transducers
supplied to Gearing and Watson Ltd for a foreign
Navy Contract, development through to manufacture
and testing was completed in only 6 months with
a further two delivered 4 months later.
The system comprises a free flooded ring transducer assemble in a stainless steel
deployment frame, transducer matching components housed in a pressure vessel,
a combined strain and electrical deployment cable, an electric winch and A-frame
for deployment and recovery and a 16kVA power amplifier.
The system is able to provide full power outputs over the band 310Hz to 700Hz
with sound pressure levels in excess of 196dB ref 1µPa at 1m over the
entire band, and a peak output of 204dB.
The deployment frame and amplifier was engineered and manufactured by GW with
the transducers being supplied by Neptune Sonar.
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